Routing Traffic To Multiple EKS Clusters With AWS ALB

I’m working on figuring out how to set up a second production EKS cluster. The secondary cluster will run the same services as the first cluster.

My biggest question is how do we route traffic across both clusters?

I just came across this article on AWS’s blog that outlines an architecture that uses an ALB to route traffic to both clusters.

The insight I got from this article is using the AWS LB Controller and a Target Group Binding on both clusters.

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